人教版八年级下册 Unit 8 Have you read Treasure Island yet Period 4 课件 (共57张PPT)

1、Unit 8Have you read Treasure Island yet?Period 4Unit 8Have you read Treasure Island yet?Period 4Your GoalsBy the end of this period, you will be able to1) learn about the past participle forms of verbs;2) know the structure and functions of the Present Perfect Tense;3) use “already” and “yet” in the

2、 Perfect Tense;4) identify the differences between the Present Perfect Tense and the Past Simple Tense.Grammar focusHave you read Little Women yet?Yes, I have./ No, I havent.Has Tina read Treasure Island yet?Yes, she has. She thinks its fantastic.Have you decided which book to write about yet?Yes, I

3、 have. Ive already finished reading it. It was really good.Grammar focusHave you read Little Women yet?Yes, I have./ No, I havent.Has Tina read Treasure Island yet?Yes, she has. She thinks its fantastic.Have you decided which book to write about yet?Yes, I have. Ive already finished reading it. It w

4、as really good.主语 + have / has + 动词的过去分词Read and find the similar sentence structures.Present Perfect Tense Present Perfect Tense 现在完成时态现在完成时态主语 + have / has + 动词的过去分词 a. 表示过去发生或已经完成的动作对现在造成的影响或结果； b. 表示开始于过去某一时间且持续到现在的动作。Present Perfect Tense Present Perfect Tense 现在完成时态现在完成时态主语 + have / has + 动词的过

5、去分词 a. 表示过去发生或已经完成的动作对现在造成的影响或结果； b. 表示开始于过去某一时间且持续到现在的动作。Present Perfect Tense Present Perfect Tense 现在完成时态现在完成时态主语 + have / has + 动词的过去分词：Present Perfect Tense Present Perfect Tense 现在完成时态现在完成时态：助动词Present Perfect Tense Present Perfect Tense 现在完成时态现在完成时态主语 + have / has + 动词的过去分词： I have already fi

6、nished reading it.finish-finished-finishedPresent Perfect Tense Present Perfect Tense 现在完成时态现在完成时态主语 + have / has + 动词的过去分词：decide-decided-decidedbe-was / were-beenfind-found-foundbring-brought-broughtlose-lost-lostteach-taught-taughtcut-cut-cutread-read-readPresent Perfect Tense Present Perfect Ten

7、se 现在完成时态现在完成时态finish-finished-finished kill-killed-killedstop-stopped-stopped die-died-diedstudy- studied-studied 过去分词的变化：规律变化Present Perfect Tense Present Perfect Tense 现在完成时态现在完成时态read-read-read put-put-putcut-cut-cut hurt-hurt-hurtlet-let-let cost-cost-cost 过去分词的变化：不规律变化A-A-APresent Perfect Tens

8、e Present Perfect Tense 现在完成时态现在完成时态think-thought-thought find-found-foundteach-taught-taught lose-lost-lostbuy-bought-bought tell-told-toldbring-brought-brought meet-met-met过去分词的变化：不规律变化A-B-BPresent Perfect Tense Present Perfect Tense 现在完成时态现在完成时态see-saw-seen go-went-gonedo-did-done take-took-taken

9、drink-drank-drunkchoose-chose-chosen过去分词的变化：不规律变化A-B-CPresent Perfect Tense Present Perfect Tense 现在完成时态现在完成时态run-ran-run come-came-comebecome-became-become过去分词的变化：不规律变化A-B-APresent Perfect Tense Present Perfect Tense 现在完成时态现在完成时态regular构成规则与过去式一致irregularA-A-AA-B-BA-B-CA-B-A过去分词的变化：Write down the c

10、orrect forms of verbs. 1. Excuse me. Have you (see) my dictionary?2. Have you (find) your wallet yet?3. I have (put) on my coat. seenfoundputPresent Perfect Tense Present Perfect Tense 现在完成时态现在完成时态句式：肯定式 I / You / We / They have done the work.He / She / It has done the work.they have= theyvehe has =

11、 hesPresent Perfect Tense Present Perfect Tense 现在完成时态现在完成时态句式：否定式 I / You / We / They have not done the work.He / She / It has not done the work.have not = haventhas not = hasntPresent Perfect Tense Present Perfect Tense 现在完成时态现在完成时态句式：一般疑问句及回答Have I / you / they done the work?Yes, you / I / we / t

12、hey have.No, you / I / we / they havent.Present Perfect Tense Present Perfect Tense 现在完成时态现在完成时态句式：一般疑问句及回答Has he / she / it done the work?Yes, he / she / it has.No, he / she / it hasnt.Present Perfect Tense Present Perfect Tense 现在完成时态现在完成时态句式：特殊疑问句I have done the work.What have you done?Present Pe

13、rfect Tense Present Perfect Tense 现在完成时态现在完成时态意义： a. 表示过去过去发生或已经完成的动作对现在现在造成的影响或结果； b. 表示开始于过去某一时间且持续到现在现在的动作。Present Perfect Tense Present Perfect Tense 现在完成时态现在完成时态a. 表示过去过去发生或已经完成的动作对现在现在造成的影响或结果；pastI had breakfast.Im not hungry now. nowI have just had my breakfast. 现在我不饿。a. 常和recently, just, al

14、ready, never, ever, yet, so far, before,times(次数)等状语连用。 多强调动作完成，不强调动作的持续。Present Perfect Tense Present Perfect Tense 现在完成时态现在完成时态e.g. Have you _read this book? I have _ read this book. I havent read this book _.everalreadyyet常见的时间状语：1. Has he ever seen this film? 2. He has already seen this film.3.

15、He has just seen this film.4. He hasnt seen this film yet. 5. He has seen 50 films so far. 6. She hasnt seen this film before.7. I have seen this film twice.“已经”，肯定句“刚刚”，肯定句“还”，疑问句 / 否定句“曾经”，疑问句 / 肯定句“迄今为止”，句末“以前”，句末“次数”，句末Present Perfect Tense Present Perfect Tense 现在完成时态现在完成时态b. 表示开始于过去某个时间且持续到现在的

16、动作。past I moved here in 1990.I still live here. nowI have lived here for 30 years.I have lived here since 1990 / 30 years ago.常见的时间状语： b. for 和 since。动作或状态从过去一直持续到现在。 Present Perfect Tense Present Perfect Tense 现在完成时态现在完成时态 (1) for + 表示一段时间的短语 (2) since + 表示过去时间点的词语 (3) since + 表示过去时间的时间状语从句常见的时间状语：

17、 b. for 和 since。动作或状态从过去一直持续到现在。 Present Perfect Tense Present Perfect Tense 现在完成时态现在完成时态e.g. I have been a teacher _ 20 years. He has been at this school _ 1990. We have learned 2,000 English words _ we came to this school.forsincesince I have cleaned my room. 我已经打扫过我的房间了。 I cleaned my room last we

18、ek. 我上周打扫了我的房间。(My room is clean now.)(I did it in the past.)现在完成时与一般过去时的区别 She has gone to Japan. 她已经去日本了。 (She went to Japan and she isnt here now.)现在完成时与一般过去时的区别现在完成时与一般过去时的区别【现在完成时】 表示过去发生或已经完成的动作对现在造成的影响或结果，或从过去开始一直延续到现在的动作或保持的状态。 强调的是现在的情况，不能和表示过去的时间状语连用。现在完成时与一般过去时的区别【一般过去时】 只表示过去的动作或状态。 不强调和

19、现在的关系（即动作或状态在现在已经结束）。它可以和表示过去的时间状语用。1. You neednt describe her. I her several times.A. have met B. met C. am meeting D. had met2. Miss Brown, we cleaning our classroom. Can we go home now?A. finish B. finishing C. are finished D. have finished3. I my homework; I guess I cant join you.A. dont finish

20、B. didnt finishC. havent finished D. wont finish4. - Who is Jerry Cooper? - ? I saw you shaking hands with him at the meeting.A. Dont you meet him yet? B. hadnt you met him yet?C. Didnt you meet him yet? D. Havent you met him yet?5. - Why not go into the classroom? - The door locked.A. have been B.

21、will be C. has been D. isUse the words in brackets to complete the conversations.I have just drunk some tea 1. A: Would you like something to drink? B: No, thanks. . (just / drink some tea)Use the words in brackets to complete the conversations.2. A: I heard you lost your key. ? (find) B：No, not yet

22、. Have you found it yetUse the words in brackets to complete the conversations.3. A: Do you know when Tom is leaving? B: . (already / leave) A: When ? (leave) B: This morning.He has already leftdid he leaveUse the words in brackets to complete the conversations.4. A: Is your sister going to the movi

23、es with us tonight? B: No. . (already / see the film)She has already seen the filmUse the words in brackets to complete the conversations.5. A: What do your parents think about our plan? B: I . (not / tell them / yet)havent told them yetFill in the blanks with the correct forms of the words in brack

24、ets.Sally (love) reading. In the morning, she reads the newspaper and in the evening she reads books. She already (read) more than 100 different books! Her favorite kind of books is science fiction. She is interested in science and technology and loves to imagine what the world (be) like in 50 years

25、. loveshasreadwill beShe (finish) reading a book about robots last week and _ (write) a book report about it next week for her French class. Every time she is in the library, Sally looks at the many books she (not read) yet and she cant wait to read them!finishedwill writehas not readFill in the bla

26、nks with the correct forms of the words in brackets.Make a list of the things you have done and the ones you havent done yet this week. Then ask another student.P64:3 you( ) students nameThings I have doneThings I havent doneExample: This week, I have done so many things. I have read 3 books But, I

27、still havent finished my planUseful expressionsMany songs these days are just ，such as the importance of money and success. success 名词 succeed 动词 succeed in 在方面成功e.g. Confidence is the key to success. They built her up into a great success. If you succeed in your mission, you will be congratulated.Useful expressionsOliver Twist is about a boy who goes out to sea and finds an island full of treasures. (be) full of 充满的 fill with 装满 be filled with = be full of e.g. The bottle is full of water. She always looks full of energy. The room is filled with heavy smoke.Useful expressionsTh